People United States of America John Duffy (soccer) peoplepill id: john-duffy-9JD 3 views today 3 views this weekAmerican soccer playerJohn Duffy (soccer)BiographyListsAlso ViewedListsJohn Duffy (soccer) is in following listsBy field of workNotable American athletesGender:Male, Born in:Years 1900 to 1929By work and/or countryNotable American AthletesGender:Male, Born in:Years 1900 to 1929Notable American Football playersGender:Male, Born in:Years 1900 to 1929Notable American Association football playersGender:Male, Born in:Years 1900 to 1929From our partnersSponsoredJohn Duffy (soccer)